Flow Rate Converter — Free Online Tool

Convert m³/s, L/min, GPM, CFM and other volumetric flow rates. Flow Rate Converter is a free online tool from the ToolsRift Unit Converters collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.

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How to use Flow Rate Converter

  1. Open the Flow Rate Converter above — it loads instantly, no account needed.
  2. Enter or upload your input. Everything is processed locally on your device.
  3. Get your result immediately and copy or download it with one click.

Frequently asked questions

How many L/min in a GPM?

1 US gallon per minute (GPM) = 3.78541 liters per minute (L/min).

What is CFM used for?

Cubic feet per minute (CFM) commonly rates air flow from fans, compressors and HVAC systems.

How do I convert m³/s to L/min?

Multiply cubic meters per second by 60,000 to get liters per minute.

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